BIO

===============================================================BIO01================================================

package bhz.bio;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;

public class Client {

final static String ADDRESS = "127.0.0.1";
final static int PORT = 8765;

public static void main(String[] args) {

Socket socket = null;
BufferedReader in = null;
PrintWriter out = null;

try {
socket = new Socket(ADDRESS, PORT);
in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
out = new PrintWriter(socket.getOutputStream(), true);

//向服务器端发送数据
out.println("接收到客户端的请求数据...");
String response = in.readLine();
System.out.println("Client: " + response);

} catch (Exception e) {
e.printStackTrace();
} finally {
if(in != null){
try {
in.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if(out != null){
try {
out.close();
} catch (Exception e) {
e.printStackTrace();
}
}
if(socket != null){
try {
socket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
socket = null;
}
}
}

package bhz.bio;

import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;

public class Server {

final static int PROT = 8765;

public static void main(String[] args) {

ServerSocket server = null;
try {
server = new ServerSocket(PROT);
System.out.println(" server start .. ");
//进行阻塞
Socket socket = server.accept();
//新建一个线程执行客户端的任务
new Thread(new ServerHandler(socket)).start();

} catch (Exception e) {
e.printStackTrace();
} finally {
if(server != null){
try {
server.close();
} catch (IOException e) {
e.printStackTrace();
}
}
server = null;
}

}

}

package bhz.bio;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;

public class ServerHandler implements Runnable{

private Socket socket ;

public ServerHandler(Socket socket){
this.socket = socket;
}

@Override
public void run() {
BufferedReader in = null;
PrintWriter out = null;
try {
in = new BufferedReader(new InputStreamReader(this.socket.getInputStream()));
out = new PrintWriter(this.socket.getOutputStream(), true);
String body = null;
while(true){
body = in.readLine();
if(body == null) break;
System.out.println("Server :" + body);
out.println("服务器端回送响的应数据.");
}

} catch (Exception e) {
e.printStackTrace();
} finally {
if(in != null){
try {
in.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if(out != null){
try {
out.close();
} catch (Exception e) {
e.printStackTrace();
}
}
if(socket != null){
try {
socket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
socket = null;
}

}

}

=====================================================================BIO01===============================================

=====================================================================BIO02================================================

package bhz.bio2;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;
import java.net.UnknownHostException;

public class Client {

final static String ADDRESS = "127.0.0.1";
final static int PORT =8765;

public static void main(String[] args) {
Socket socket = null;
BufferedReader in = null;
PrintWriter out = null;
try {
socket = new Socket(ADDRESS, PORT);
in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
out = new PrintWriter(socket.getOutputStream(), true);

out.println("Client request");

String response = in.readLine();
System.out.println("Client:" + response);

} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {
if(in != null){
try {
in.close();
} catch (Exception e1) {
e1.printStackTrace();
}
}
if(out != null){
try {
out.close();
} catch (Exception e2) {
e2.printStackTrace();
}
}
if(socket != null){
try {
socket.close();
} catch (Exception e3) {
e3.printStackTrace();
}
}
socket = null;
}

}

}

package bhz.bio2;

import java.io.BufferedReader;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;

public class Server {

final static int PORT = 8765;

public static void main(String[] args) {
ServerSocket server = null;
BufferedReader in = null;
PrintWriter out = null;
try {
server = new ServerSocket(PORT);
System.out.println("server start");
Socket socket = null;
HandlerExecutorPool executorPool = new HandlerExecutorPool(50, 1000);
while(true){
socket = server.accept();
executorPool.execute(new ServerHandler(socket));
}

} catch (Exception e) {
e.printStackTrace();
} finally {
if(in != null){
try {
in.close();
} catch (Exception e1) {
e1.printStackTrace();
}
}
if(out != null){
try {
out.close();
} catch (Exception e2) {
e2.printStackTrace();
}
}
if(server != null){
try {
server.close();
} catch (Exception e3) {
e3.printStackTrace();
}
}
server = null;
}

}

}

package bhz.bio2;

import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

public class HandlerExecutorPool {

private ExecutorService executor;
public HandlerExecutorPool(int maxPoolSize, int queueSize){
this.executor = new ThreadPoolExecutor(
Runtime.getRuntime().availableProcessors(),
maxPoolSize,
120L,
TimeUnit.SECONDS,
new ArrayBlockingQueue<Runnable>(queueSize));
}

public void execute(Runnable task){
this.executor.execute(task);
}

}

package bhz.bio2;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;

public class ServerHandler implements Runnable {

private Socket socket;
public ServerHandler (Socket socket){
this.socket = socket;
}

@Override
public void run() {
BufferedReader in = null;
PrintWriter out = null;
try {
in = new BufferedReader(new InputStreamReader(this.socket.getInputStream()));
out = new PrintWriter(this.socket.getOutputStream(), true);
String body = null;
while(true){
body = in.readLine();
if(body == null) break;
System.out.println("Server:" + body);
out.println("Server response");
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if(in != null){
try {
in.close();
} catch (Exception e1) {
e1.printStackTrace();
}
}
if(out != null){
try {
out.close();
} catch (Exception e2) {
e2.printStackTrace();
}
}
if(socket != null){
try {
socket.close();
} catch (Exception e3) {
e3.printStackTrace();
}
}
socket = null;
}

}

}

======================================================================BIO02=====================================================